[tip:sched/core] nohz: Convert tick_nohz_tick_stopped() to bool

[tip-bot for Frederic Weisbecker]

Commit-ID:  a364298359e74a414857bbbf3b725564feb22d09
Gitweb:     https://git.kernel.org/tip/a364298359e74a414857bbbf3b725564feb22d09
Author:     Frederic Weisbecker <frederic@xxxxxxxxxx>
AuthorDate: Wed, 21 Feb 2018 05:17:24 +0100
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 21 Feb 2018 09:49:08 +0100

nohz: Convert tick_nohz_tick_stopped() to bool

It makes this function more self-explanatory about what it does and how
to use it.

Reported-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Luiz Capitulino <lcapitulino@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Wanpeng Li <kernellwp@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1519186649-3242-3-git-send-email-frederic@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 include/linux/tick.h     | 2 +-
 kernel/time/tick-sched.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/tick.h b/include/linux/tick.h
index 7cc3592..86576d9 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -113,7 +113,7 @@ enum tick_dep_bits {
 
 #ifdef CONFIG_NO_HZ_COMMON
 extern bool tick_nohz_enabled;
-extern int tick_nohz_tick_stopped(void);
+extern bool tick_nohz_tick_stopped(void);
 extern void tick_nohz_idle_enter(void);
 extern void tick_nohz_idle_exit(void);
 extern void tick_nohz_irq_exit(void);
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 29a5733..0aba041 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -481,7 +481,7 @@ static int __init setup_tick_nohz(char *str)
 
 __setup("nohz=", setup_tick_nohz);
 
-int tick_nohz_tick_stopped(void)
+bool tick_nohz_tick_stopped(void)
 {
 	return __this_cpu_read(tick_cpu_sched.tick_stopped);
 }